Data

Parameters in notable artificial intelligence systems

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What you should know about this indicator

  • Parameters are internal variables that machine learning models adjust during their training process to improve their ability to make accurate predictions. They act as the model's "knobs" that are fine-tuned based on the provided data. In deep learning, a subset of artificial intelligence (AI), parameters primarily consist of the weights assigned to the connections between the small processing units called neurons. Picture a vast network of interconnected neurons where the strength of each connection represents a parameter.
  • The total number of parameters in a model is influenced by various factors. The model's structure and the number of “layers” of neurons play a significant role. Generally, more complex models with additional layers tend to have a higher number of parameters. Special components of specific deep learning architectures can further contribute to the overall parameter count.
  • Understanding the number of parameters in a model is crucial to design effective models. More parameters can help the model understand complex data patterns, potentially leading to higher accuracy. However, there's a fine balance to strike. If a model has too many parameters, it risks memorizing the specific examples in its training data rather than learning their underlying patterns. Consequently, it may perform poorly when presented with new, unseen data. Achieving the right balance of parameters is a critical consideration in model development.
  • In recent times, the AI community has witnessed the emergence of what are often referred to as "giant models." These models boast an astounding number of parameters, reaching into the billions or even trillions. While these huge models have achieved remarkable performance, they have a significant computational cost. Effectively managing and training such large-scale models has become a prominent and active area of research and discussion within the AI field.
Parameters in notable artificial intelligence systems
Total number of learnable variables or weights that the model contains. Parameters are adjusted during the training process to optimize the model's performance.
Source
Epoch AI (2025)with major processing by Our World in Data
Last updated
March 12, 2025
Next expected update
May 2026

Sources and processing

Epoch AI – Parameter, Compute and Data Trends in Machine Learning

Retrieved on
March 7, 2026
Citation
This is the citation of the original data obtained from the source, prior to any processing or adaptation by Our World in Data. To cite data downloaded from this page, please use the suggested citation given in Reuse This Work below.
Epoch AI, ‘Parameter, Compute and Data Trends in Machine Learning’. Published online at epochai.org. Retrieved from: ‘https://epoch.ai/data/epochdb/visualization’ [online resource]
Retrieved on
March 7, 2026
Citation
This is the citation of the original data obtained from the source, prior to any processing or adaptation by Our World in Data. To cite data downloaded from this page, please use the suggested citation given in Reuse This Work below.
Epoch AI, ‘Parameter, Compute and Data Trends in Machine Learning’. Published online at epochai.org. Retrieved from: ‘https://epoch.ai/data/epochdb/visualization’ [online resource]

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“Data Page: Parameters in notable artificial intelligence systems”, part of the following publication: Charlie Giattino, Edouard Mathieu, Veronika Samborska, and Max Roser (2023) - “Artificial Intelligence”. Data adapted from Epoch AI. Retrieved from https://archive.ourworldindata.org/20260308-063423/grapher/artificial-intelligence-parameter-count.html [online resource] (archived on March 8, 2026).

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Epoch AI (2025) – with major processing by Our World in Data

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Epoch AI (2025) – with major processing by Our World in Data. “Parameters in notable artificial intelligence systems” [dataset]. Epoch AI, “Parameter, Compute and Data Trends in Machine Learning” [original data]. Retrieved April 1, 2026 from https://archive.ourworldindata.org/20260308-063423/grapher/artificial-intelligence-parameter-count.html (archived on March 8, 2026).

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https://ourworldindata.org/grapher/artificial-intelligence-parameter-count.csv?v=1&csvType=full&useColumnShortNames=false
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Excel / Google Sheets
=IMPORTDATA("https://ourworldindata.org/grapher/artificial-intelligence-parameter-count.csv?v=1&csvType=full&useColumnShortNames=false")
Python with Pandas
import pandas as pd
import requests

# Fetch the data.
df = pd.read_csv("https://ourworldindata.org/grapher/artificial-intelligence-parameter-count.csv?v=1&csvType=full&useColumnShortNames=false", storage_options = {'User-Agent': 'Our World In Data data fetch/1.0'})

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metadata = requests.get("https://ourworldindata.org/grapher/artificial-intelligence-parameter-count.metadata.json?v=1&csvType=full&useColumnShortNames=false").json()
R
library(jsonlite)

# Fetch the data
df <- read.csv("https://ourworldindata.org/grapher/artificial-intelligence-parameter-count.csv?v=1&csvType=full&useColumnShortNames=false")

# Fetch the metadata
metadata <- fromJSON("https://ourworldindata.org/grapher/artificial-intelligence-parameter-count.metadata.json?v=1&csvType=full&useColumnShortNames=false")
Stata
import delimited "https://ourworldindata.org/grapher/artificial-intelligence-parameter-count.csv?v=1&csvType=full&useColumnShortNames=false", encoding("utf-8") clear